Keep your Yamaha outboard running cool and performing at its best with the high-quality WSM Water Pump Kit. It replaces the OEM# 66T-W0078-00-00 and 18-3413. The repair kit is engineered for 4-stroke models ranging from 25 to 40 HP manufactured between 2000 and 2021. A properly functioning water pump is crucial for maintaining engine performance and preventing costly overheating damage.
The water pump repair kit is compatible with:
- 2 Cylinder 4 Stroke 25 HP 2001-2021
- 3 Cylinder 4 Stroke 30 HP 2001-2008
- 3 Cylinder 4 Stroke 40 HP 2000-2008
- 3 Cylinder Jet 4 Stroke 40 HP 2002-2008
The WSM / Yamaha Outboard Water Pump Kit includes:
- Water Pump Housing
- Cartridge Insert
- Cartridge Outer Plate
- O-Ring
- Water Pump Gasket
- Woodruff Key
- Impeller
- 4x Bolts
- Water Seal Damper
- Pump Housing Cover
The kit is a cost-effective solution to keep your engine’s cooling system in peak condition.
NOTE: Additional parts are available, though not all are listed on this website. If you need additional parts for a rebuild, please email or fill out the form below and we can build a larger order for you.
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping.)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.